Pole coordinates of the asteroid 511 Davida as determined via the Amplitude-Magnitude method |
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| Institution: | 1. Florida Space Institute, University of Central Florida, 12354 Research Parkway, Orlando, FL, 32826, USA;2. Colorado Center for Astrodynamics Research, The University of Colorado Boulder, 3775 Discovery Drive, Boulder, CO, 80303, USA |
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| Abstract: | The Amplitude-Magnitude (AM) method is used for the pole determination of the asteroid 511 Davida, using observations from six oppositions. The possible North poles are found to be λ1 = 92° ± 7°; β1 = 33° ± 6°, and λ2 = 303° ± 4°; β2 = 34° ± 5°, when scattering effect is not taken into account. When scattering is accounted for, solutions not significantly different from (λ1, β1) and (λ2, β2) are obtained. The moderately eccentric and inclined orbit of 511 Davida does not allow us to distinguish between the two pole solutions. A comparison with other methods is necessary in order to make a definitive choice. |
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